The registration address of jianjin heavy work machinery ltd. Is located in the western camp village of jianhu township in the city of jianjin, shandong province, and is 600 metres north of the road. The registration authority is the market supervision authority of the city of jining city, represented by legal persons, and operates on general projects: manufacture of specialized equipment (other than licensed specialized equipment); manufacture of mine machinery; sale of mine machinery; mechanical manufacture of construction works; sale of construction materials (in addition to projects subject to legal authorization, operating on its own and in accordance with the law) licensed projects: manufacture of special equipment (subject to legal authorization, subject to the approval of the relevant department)